From ioq3:
Fix circumventing sv_maxping restriction, thanks to Amanieu for reporting. http://bugzilla.icculus.org/show_bug.cgi?id=3423
This should be the correct fix for, https://github.com/Razish/OpenJK/commit/49abb2c93f2c38ee036933a2fee8fd089029cace
And prevents getting around sv_maxping.